Foaming apparatus

Plastic article or earthenware shaping or treating: apparatus – Means casting fluent stock operably associated with shaping...

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Details

156 78, 156324, 15624411, 156501, 156543, 264 41, 264 462, 264DIG2, 425115, 425817C, B29B 714

Patent

active

043701175

ABSTRACT:
A foaming apparatus for manufacturing insulation material includes a mixing chamber, a pump for withdrawing the composition from the mixing chamber and supplying it to the apex of a hollow conical expansion chamber where the apex is located vertically beneath the base of the cone, a cover for the base of the cone including an outlet in the form of a nozzle which imparts a desired shape to the foamed composition.

REFERENCES:
patent: 2841205 (1958-07-01), Bird
patent: 3248464 (1966-04-01), Telkes
patent: 3598769 (1971-08-01), Hanton
patent: 3786122 (1974-01-01), Berg
patent: 4187066 (1980-02-01), Hobson

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